求助，微分方程

zxqleo

a=dsolve('Dx=-1*x^3-y','Dy=x-y^3','x(0)=1','y(0)=0.5')
, u% |  }6 p, R- y) C4 B; T

??? Error using ==> dsolve
. |4 ?* \$ ^2 L9 ?Error, (in dsolve/IC) The 'implicit' option is not available when giving Initial Conditions.

7 S/ ]) E+ `. v+ F+ @
求教各位大虾，怎么回事啊

厚积薄发

经过运行得出：Warning: Explicit solution could not be found.
0 M9 `; w' ?5 y- x' Y+ c6 h6 D4 v+ x说明显式的解析解找不到或者不存在显式解析解，所以得选用其他方法来做

zxqleo

哦，谢谢版主了！我再找找其他方法。

珞珈山下

学一招！谢谢